create: Deprecate the charm create command

The charm-tools exist for building and maintenance of already
existing reactive charms.

For anyone creating new charms the ops framework should be used.

charmtools/create.py

@@ -84,6 +84,14 @@ def main():
             level=logging.INFO,
         )
 
+    log.warning('The `charm create` command is DEPRECATED and will be\n'
+                'removed in the 3.1 release of charm-tools.\n'
+                '\n'
+                'Please refer to the following resources for\n'
+                'information on creating new charms:\n'
+                'https://juju.is/docs/sdk/charmcraft-init\n'
+                'https://juju.is/docs/sdk/ops\n')
+
     if not args.template:
         log.info(
             "Using default charm template (%s). To select a different "

helpers/snap-wrappers/charm

@@ -18,7 +18,7 @@ tools for building reactive charms
 
 commands:
     build               - build a charm from layers and interfaces.
-    create              - create a new charm.
+    create              - (DEPRECATED) create a new charm.
     help                - Show help on a command or other topic.
     layers              - inspect the layers of a built charm.
     proof               - perform static analysis on a charm or bundle.