I18N - Sample strings files, header

- Began proposed format for strings file.
- Began corresponding header file for string IDs.

i18n/strings.sv-SE

@@ -0,0 +1,11 @@
+# 1xx task shell
+100 Okänt fel.
+
+# 2xx Commands
+# 3xx Attributes
+# 4xx Columns
+# 5xx Colors
+# 6xx Config
+# 7xx TDB
+# 8xx Reports
+