test(language-server): add cases to the unicode demo folder for manually testing #95

Author: chrissimon-au

src/vscode/contextive/test/single-root/fixtures/simple_workspace/UnicodeDemo/test.txt

@@ -1,3 +1,5 @@
 РУС_ENG
 один_два
-eng_рус
+eng_рус
+maße
+masse

src/vscode/contextive/test/single-root/fixtures/simple_workspace/UnicodeDemo/unicode.glossary.yaml

@@ -1,5 +1,9 @@
 contexts:
   - terms:
-    - name: Один Два
-    - name: Рус Eng
-    - name: Eng Рус
+      - name: Один Два
+      - name: Рус Eng
+      - name: Eng Рус
+      - name: Masse
+        definition: Mass (English)
+      - name: Maße
+        definition: dimensions (English)