Update 'Home'

Home.md

@@ -1,7 +1,10 @@
-Potential solutions:
+# Potential solutions:
 * https://ethercalc.net/ - https://github.com/audreyt/ethercalc
 * https://www.onlyoffice.com/ - https://github.com/ONLYOFFICE
 
-Others:
+## Others:
 * https://baserow.io/ (more like airtable than traditional spreadsheet)
-* https://www.getgrist.com/ (I don't really even understand this)
+* https://www.getgrist.com/ (I don't really even understand this)
+
+# Comparison/Issues:
+## Ethercalc