New install file (#32)

Author: Hellebore

.vscodeignore

@@ -7,3 +7,4 @@
 yarn.lock
 .git/**
 .pytest_cache/**
+assets/**

src/extension.ts

@@ -48,7 +48,7 @@ function createLangServer(context: ExtensionContext): LanguageClient {
 
     if (!token) {
         const readmePath = Uri.file(
-            path.join(context.extensionPath, 'INSTALL.py')
+            path.join(context.extensionPath, 'welcome-to-sourcery.py')
         );
         window.showTextDocument(readmePath);
         const result = window.showInputBox({

welcome-to-sourcery.py

@@ -0,0 +1,34 @@
+
+
+# Sourcery Installation
+
+# 1. Go to https://sourcery.ai/download/?editor=vscode to get a free token.
+# 2. Enter the token into the box above, or search for `sourcery` in the
+#    settings and enter the token into the `Sourcery Token` field.
+
+
+# Welcome to Sourcery! Once you've added the token, look for the
+# underlined `result = []` below. This is a suggestion from Sourcery.
+# Hover over it to see details of the changes including a diff. 
+
+def refactoring_example(spellbook):
+    result = []
+    for spell in spellbook:
+        if spell.is_awesome:
+            result.append(spell)
+    return result
+
+# Apply the suggestion by taking the quick-fix action:
+#   Put the cursor on the highlighted line and click the lightbulb or use the hotkey
+#   (Ctrl + .) or (Cmd + .), then take the 'Convert for loop...' option.
+#
+# All of Sourcery's suggestions are shown in the Problems pane (Ctrl/Cmd+Shift+M).
+
+# Sourcery also provides code metrics for each function to give you insight into
+# code quality - hover over the function definition above to see this report.
+
+# For more details check out our documentation here:
+# https://github.com/sourcery-ai/sourcery/wiki/Sourcery-Tutorial
+
+# Now open up some Python files and look out for the suggestions!
+