Add scripts for attaching to running container

tests/dockerfiles/php53/attach.sh

@@ -0,0 +1,3 @@
+# Attach to running container.
+
+docker exec --interactive --tty "php53" bash -l

tests/dockerfiles/php54/attach.sh

@@ -0,0 +1,3 @@
+# Attach to running container.
+
+docker exec --interactive --tty "php54" bash -l

tests/dockerfiles/php55/attach.sh

@@ -0,0 +1,3 @@
+# Attach to running container.
+
+docker exec --interactive --tty "php55" bash -l

tests/dockerfiles/php56/attach.sh

@@ -0,0 +1,3 @@
+# Attach to running container.
+
+docker exec --interactive --tty "php56" bash -l

tests/dockerfiles/php70/attach.sh

@@ -0,0 +1,3 @@
+# Attach to running container.
+
+docker exec --interactive --tty "php70" bash -l

tests/dockerfiles/php71/attach.sh

@@ -0,0 +1,3 @@
+# Attach to running container.
+
+docker exec --interactive --tty "php71" bash -l

tests/dockerfiles/php72/attach.sh

@@ -0,0 +1,3 @@
+# Attach to running container.
+
+docker exec --interactive --tty "php72" bash -l

tests/dockerfiles/php73/attach.sh

@@ -0,0 +1,3 @@
+# Attach to running container.
+
+docker exec --interactive --tty "php73" bash -l

tests/dockerfiles/php74/attach.sh

@@ -0,0 +1,3 @@
+# Attach to running container.
+
+docker exec --interactive --tty "php74" bash -l