Add exec + doc header

script/bootstrap

@@ -1,3 +1,8 @@
+#!/bin/sh
+
+# script/bootstrap: Resolve all dependencies that the application requires to
+#                   run.
+
 cd "$(dirname "$0")/.."
 
 script/bootstrap_server

script/cibuild

@@ -1,3 +1,8 @@
+#!/bin/sh
+
+# script/cibuild: Setup environment for CI to run tests. This is primarily
+#                 designed to run on the continuous integration server.
+
 script/bootstrap_server
 script/test coverage
 coveralls

script/server

@@ -1,3 +1,8 @@
+#!/bin/sh
+
+# script/server: Launch the application and any extra required processes
+#                locally.
+
 cd "$(dirname "$0")/.."
 
 python3 -m homeassistant -c config

script/test

@@ -1,3 +1,8 @@
+#!/bin/sh
+
+# script/test: Run test suite for application. Optionallly pass in a path to an
+#              individual test file to run a single test.
+
 cd "$(dirname "$0")/.."
 
 echo "Running tests..."

script/update

@@ -1,3 +1,7 @@
+#!/bin/sh
+
+# script/update: Update application to run for its current checkout.
+
 cd "$(dirname "$0")/.."
 
 git pull