refactor(commands): change changelog output text

remove quote literals from hashes in order to make them reference, add changelog description

src/index.ts

@@ -208,6 +208,7 @@ program
     let parsedCommitStacks: Array<CommitStack> = [];
 
     console.log("# Changelog");
+    console.log("Generation of this changelog is based on commits");
 
     for (const commit of commits) {
       const tag = semver.sort(
@@ -296,7 +297,7 @@ program
             : firstMessageLine[0];
 
           console.log(
-            `${showHashes ? `- [${"`"}${shortHash}${"`"}]` : ``} - ${
+            `${showHashes ? `- [${shortHash}]` : ``} - ${
               type ? `**${type}**: ${briefMessage}` : briefMessage
             }`
           );
@@ -336,7 +337,7 @@ program
             : firstMessageLine[0];
 
           console.log(
-            `${showHashes ? `- [${"`"}${shortHash}${"`"}]` : ``} - ${
+            `${showHashes ? `- [${shortHash}]` : ``} - ${
               type ? `**${type}**: ${briefMessage}` : briefMessage
             }`
           );
@@ -356,7 +357,7 @@ program
             : firstMessageLine[0];
 
           console.log(
-            `${showHashes ? `- [${"`"}${shortHash}${"`"}]` : ``} - ${
+            `${showHashes ? `- [${shortHash}]` : ``} - ${
               type ? `**${type}**: ${briefMessage}` : briefMessage
             }`
           );