Added code/charms (for python code) and version bumping script

.version

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+1

VERSION

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+1.20200120.1

code/bump_version

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+#!/usr/bin/env python3
+
+from charms.automate import generate_version
+
+generate_version()

code/charms/automate.py

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+from shlex import split as shell_split
+from subprocess import PIPE, getoutput, run as shell_run
+from pathlib import Path
+
+def shell_execute(command, err=PIPE, out=PIPE):
+    return shell_run(shell_split(command), stderr=err, stdout=out)
+
+def shell_output(command):
+    return getoutput(command)
+
+def simple_shell_execute(command, **kwargs):
+    result = shell_execute(command, **kwargs)
+    exit_code = result.returncode
+    error = result.stderr
+    output = result.stdout
+    return output.decode() if exit_code == 0 else error.decode()
+
+def generate_version(debug=False):
+    charms_path = Path(__file__).resolve().parent
+    root_path = charms_path.parent.parent
+    dot_version_path = root_path / ".version"
+    major = dot_version_path.read_text().strip()
+    minor = shell_output("git log -1 --format='%cd' --date=short | sed s/-//g")
+    patch = simple_shell_execute("git rev-list --count HEAD")
+    version = f"{major}.{minor}.{patch}"
+    if debug:
+        print(version)
+
+    else:
+        version_path = root_path / "VERSION"
+        version_path.write_text(version)

code/charms/enchant_text.py

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+from base64 import urlsafe_b64encode as ub64e, urlsafe_b64decode as ub64d
+