chore(*): add PR template, add TSDoc comments

src/rules/hasDoxygenHeader.ts

@@ -15,6 +15,9 @@ const test = (value: string) => {
   }
 }
 
+/**
+ * Lint rule that checks for the presence of a Doxygen header in a given file.
+ */
 export const hasDoxygenHeader: FileLintRule = {
   type: LintRuleType.File,
   name,

src/rules/noEncodedPasswords.ts

@@ -15,6 +15,9 @@ const test = (value: string, lineNumber: number) => {
   }))
 }
 
+/**
+ * Lint rule that checks for the presence of encoded password(s) in a given line of text.
+ */
 export const noEncodedPasswords: LineLintRule = {
   type: LintRuleType.Line,
   name,

src/rules/noTrailingSpaces.ts

@@ -9,6 +9,9 @@ const test = (value: string, lineNumber: number) =>
     ? []
     : [{ warning, lineNumber, columnNumber: value.trimEnd().length + 1 }]
 
+/**
+ * Lint rule that checks for the presence of trailing space(s) in a given line of text.
+ */
 export const noTrailingSpaces: LineLintRule = {
   type: LintRuleType.Line,
   name,