feat(completion): support termux-location command

share/completions/termux-location.fish

@@ -0,0 +1,19 @@
+set command termux-location
+
+complete -c $command -f
+
+complete -c $command \
+    -s h \
+    -d 'Show [h]elp'
+
+complete -c $command \
+    -a 'gps\tdefault network passive' \
+    -s p \
+    -d 'Specify a location provider' \
+    -x
+
+complete -c $command \
+    -a 'once\tdefault last updates' \
+    -s r \
+    -d 'Specify a request type' \
+    -x