Added Markdown Linter

Markdown files need to be properly formatted.

Added package and rules to enforce good practice.

.markdownlint.json

@@ -0,0 +1,33 @@
+
+{
+  "line-length": false,
+  "no-inline-html": {
+    "allowed_elements": [
+      "a", "br"
+    ]
+  },
+  "header-increment": true,
+  "ul-style": {
+    "style": "dash"
+  },
+  "ul-start-left": true,
+  "no-trailing-spaces": {
+    "br_spaces": 0
+  },
+  "no-hard-tabs": true,
+  "no-reversed-links": true,
+  "no-multiple-blanks": true,
+  "no-missing-space-atx": true,
+  "no-multiple-space-atx": true,
+  "blanks-around-headers": true,
+  "header-start-left": true,
+  "no-duplicate-header": true,
+  "single-h1": true,
+  "blanks-around-fences": true,
+  "blanks-around-lists": true,
+  "no-bare-urls": true,
+  "no-space-in-emphasis": true,
+  "no-space-in-code": true,
+  "no-space-in-links": true,
+  "fenced-code-language": true
+}

README.md

@@ -1,15 +1,5 @@
-## If `npm install` doesn't work and gives an error when setting up the template, here is one possible fix:
-
->Delete `node_modules` folder and `package-lock.json` <br/>
->Add `package-lock.json` as an exception in `.gitignore` <br/>
->Run `npm i` again
-
-If it still doesn't work and it gives an error with Python and/or Microsoft Visual version, try installing `Microsoft Visual C++ 2017 Redistributable` 
-
-Any other bugs or problems please report to your tutor
 
 # Assignment Template
-
 This repository contains the base files for the assignment. You will need to create a _private duplicate_ in your module organisation. Carry out the following steps, taken from the [GitHub documentation](https://help.github.com/en/enterprise/2.16/user/articles/duplicating-a-repository):
 
 Temporarily clone this repository to your development computer. This will create a directory on your computer called `temp` which contains the repository files: