chore: add commit message template

Added a commit message template for conventional commits line
length limits.

.gitmessage

@@ -0,0 +1,10 @@
+
+
+# ------------------------------------------------                       SUBJECT AREA
+# ---------------------------------------------------------------------- DETAIL AREA
+
+# Please enter a subject that does not exceed the limit of 50
+# characters.
+# If you enter a detailed description, no line should
+# exceed the limit of 72 characters. Break the line as soon as you
+# reach this limit.