Implemented review comments

Author: dixyushi

documentation/Functions.md

@@ -25,9 +25,10 @@ The following functions are already implemented:
 
 * [File And Directory Functions](#fileSpecific)
     1. [changeFile](#changeFile)
-    2. [createFile](#createFile)  
-    3. [downloadFile](#downloadFile)
-    4. [openFile](#openFile)
+    2. [createFile](#createFile) 
+    3. [createFolder](#createFolder) 
+    4. [downloadFile](#downloadFile)
+    5. [openFile](#openFile)
 
 * [Katacoda Environment Functions](#katacodaSpecific)
     1. [displayContent](#displayContent)
@@ -37,10 +38,9 @@ The following functions are already implemented:
 
 * [Workspace Functions](#workspaceSpecific)
     1. [changeWorkspace](#changeWorkspace)
-    2. [createFolder](#createFolder)
-    3. [restoreWorkspace](#restoreWorkspace)
+    2. [restoreWorkspace](#restoreWorkspace)
 
-* [Other Function](#otherFunctions)
+* [Custom Function](#customFunctions)
     1. [addSetupScript](#addSetupScript) 
     2. [executeCommand](#executeCommand)
 
@@ -450,7 +450,26 @@ This function will work without a devonfw-ide installation.
 
 ***
 
-### iii. downloadFile <a name="downloadFile"></a>
+### iii. createFolder <a name="createFolder"></a>
+This function is used to create a new folder.
+#### Parameter: 
+This function consist of one parameter.
+
+1. First parameter:
+    - **Required**
+    - **Type**- String
+    - **Description**- Path of the folder to be created (relative to working directory). Subdirectories are also created.
+
+#### Example: 
+* createFolder("directoryPath/subDirectory")
+
+##### Note:
+1. The command for execution will be generated by Katacoda runner, so user will have to execute this command manually.
+2. It can be used before any command which needs to be executed in such folder which doesn't exist.
+
+***
+
+### iv. downloadFile <a name="downloadFile"></a>
 This function is used to download a file from an external URL.
 #### Parameter: 
 This function consist of 3 parameters.
@@ -474,7 +493,7 @@ The command for execution will be generated by Katacoda runner, so user will hav
 
 ***
 
-### iv. openFile <a name="openFile"></a>
+### v. openFile <a name="openFile"></a>
 This function is used to open a particular file.
 
 #### Parameter:
@@ -593,26 +612,7 @@ Learn more about the workspace directory and working directory on [Structure](ht
 
 ***
 
-### ii. createFolder <a name="createFolder"></a>
-This function is used to create a new folder.
-#### Parameter: 
-This function consist of one parameter.
-
-1. First parameter:
-    - **Required**
-    - **Type**- String
-    - **Description**- Path of the folder to be created (relative to working directory). Subdirectories are also created.
-
-#### Example: 
-* createFolder("directoryPath/subDirectory")
-
-##### Note:
-1. The command for execution will be generated by Katacoda runner, so user will have to execute this command manually.
-2. It can be used before any command which needs to be executed in such folder which doesn't exist.
-
-***
-
-### iii. restoreWorkspace <a name="restoreWorkspace"></a>
+### ii. restoreWorkspace <a name="restoreWorkspace"></a>
 This function is used to clone an existing GitHub repository to the working directory of the tutorial. It can be used to continue the tutorial with the state of a previous tutorial located in the repository to be cloned.
 #### Parameter:
 This function only consist of one parameter.
@@ -680,7 +680,7 @@ Learn more about the workspace directory and working directory on [Structure](ht
 
 ***
 
-## Other Functions <a name="otherFunctions"></a>
+## Custom Functions <a name="customFunctions"></a>
 
 ### i. addSetupScript <a name="addSetupScript"></a>
 This function is used to add a script which is executed on startup of the tutorial.