Add method help docs

core/src/main/resources/help/createpaymentacct-help.txt

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+createpaymentacct
+
+NAME
+----
+createpaymentacct - create a payment account
+
+SYNOPSIS
+--------
+createpaymentacct
+		--payment-account-form=<path>
+
+DESCRIPTION
+-----------
+Create a Bisq trading account with a payment account form.
+
+The details of the payment account are defined in a manually edited json file generated
+by a getpaymentacctform command, e.g.,
+
+    {
+      "_COMMENTS_": [
+        "Do not manually edit the paymentMethodId field.",
+        "Edit the salt field only if you are recreating a payment account on a new installation and wish to preserve the account age."
+      ],
+      "paymentMethodId": "SEPA",
+      "accountName": "your accountname",
+      "bic": "your bic",
+      "country": "your country",
+      "holderName": "your holdername",
+      "iban": "your iban",
+      "salt": ""
+    }
+
+
+EXAMPLES
+--------
+To create a new SEPA payment account, find the payment-method-id for the getpaymentacctform command:
+$ ./bisq-cli --password=xyz --port=9998 getpaymentmethods
+
+Get a new, blank SEPA payment account form:
+$ ./bisq-cli --password=xyz --port=9998 getpaymentacctform --payment-method-id=SEPA
+
+The previous command created a json file named sepa_1610817857085.json.  The timestamp
+in the file name is to ensure each generated file is uniquely named (you can rename the file).
+
+Manually edit the json file, and pass the file's path to the createpaymentacct command:
+$ ./bisq-cli --password=xyz --port=9998 createpaymentacct --payment-account-form=sepa_1610817857085.json

core/src/main/resources/help/getaddressbalance-help.txt

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+getaddressbalance
+
+NAME
+----
+getaddressbalance - get btc address balance
+
+SYNOPSIS
+--------
+getaddressbalance
+		--address=<btc-address>
+
+DESCRIPTION
+-----------
+Returns the balance of a BTC address in the Bisq server's wallet.
+
+OPTIONS
+-------
+--address=<btc-address>
+		The BTC address.
+
+EXAMPLES
+--------
+$ ./bisq-cli --password=xyz --port=9998 getaddressbalance -address=bcrt1qygvsqmyt8jyhtp7l3zwqm7s7v3nar6vkc2luz3

core/src/main/resources/help/getbalance-help.txt

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+getbalance
+
+NAME
+----
+getbalance - get wallet balance(s)
+
+SYNOPSIS
+--------
+getbalance
+		[--currency-code=<bsq|btc>]
+
+DESCRIPTION
+-----------
+Returns full balance information for Bisq BSQ and/or BTC wallets.
+
+OPTIONS
+-------
+--currency-code=<bsq|btc>
+		The three letter Bisq wallet crypto currency code.
+
+EXAMPLES
+--------
+Show full BSQ and BTC wallet balance information:
+$ ./bisq-cli --password=xyz --port=9998 getbalance
+
+Show full BSQ wallet balance information:
+$ ./bisq-cli --password=xyz --port=9998 getbalance  --currency-code=bsq
+
+Show full BTC wallet balance information:
+$ ./bisq-cli --password=xyz --port=9998 getbalance  --currency-code=btc

core/src/main/resources/help/getpaymentacctform-help.txt

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+getpaymentacctform
+
+NAME
+----
+getpaymentacctform - get a blank payment account form for a payment method
+
+SYNOPSIS
+--------
+getpaymentacctform
+		--payment-method-id=<payment-method-id>
+
+DESCRIPTION
+-----------
+Returns a new, blank payment account form as a json file, e.g.,
+
+    {
+      "_COMMENTS_": [
+        "Do not manually edit the paymentMethodId field.",
+        "Edit the salt field only if you are recreating a payment account on a new installation and wish to preserve the account age."
+      ],
+      "paymentMethodId": "CLEAR_X_CHANGE",
+      "accountName": "your accountname",
+      "emailOrMobileNr": "your emailormobilenr",
+      "holderName": "your holdername",
+      "salt": ""
+    }
+
+This form is manually edited, and used as a parameter to the createpaymentacct command,
+which creates the new payment account.
+
+EXAMPLES
+--------
+To create a new CLEAR_X_CHANGE (Zelle) payment account,  find the payment-method-id for
+the getpaymentacctform command:
+$ ./bisq-cli --password=xyz --port=9998 getpaymentmethods
+
+Get a new, blank CLEAR_X_CHANGE (Zelle) payment account form:
+$ ./bisq-cli --password=xyz --port=9998 getpaymentacctform --payment-method-id=CLEAR_X_CHANGE_ID
+
+The previous command created a json file named clear_x_change_1610818248040.json.  The timestamp
+in the file name is to ensure each generated file is uniquely named (you can rename the file).
+
+Manually edit the json file, and pass the file's path to the createpaymentacct command:
+$ ./bisq-cli --password=xyz --port=9998 createpaymentacct --payment-account-form=clear_x_change_1610818248040.json