refactor(scripts): use existing manifests in package_quickstart.sh

- Rename package-quickstart.sh to package_quickstart.sh
- Use existing manifests in package_quickstart.sh instead of helm

Author: njhale

scripts/package-quickstart.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+if [[ ${#@} < 2 ]]; then
+    echo "Usage: $0 concatenate OLM's Kubernetes manifests into a single YAML stream and writes the result to a file"
+    echo "* dir: the input directory that contains OLM's Kubernetes manifests"
+    echo "* out: the output file for the combined OLM Kubernetes manifest"
+    exit 1
+fi
+
+dir=$1
+out=$2
+
+awk 'NR==1 && !/^---*/ {print "---"} !/^[[:space:]]*#/ {print}' ${dir}/*.yaml > ${out} && \
+   echo "Wrote manifest to ${out}"
+