Add install guide for operator olm

OLM.md

@@ -0,0 +1,39 @@
+# Install Operator OLM
+
+### Install Operator SDK (macOS/Linux)
+```shell
+brew install operator-sdk
+```
+
+### Install Operator SDK on Linux
+```shell
+export ARCH=$(case $(uname -m) in x86_64) echo -n amd64 ;; aarch64) echo -n arm64 ;; *) echo -n $(uname -m) ;; esac)
+export OS=$(uname | awk '{print tolower($0)}')
+export OPERATOR_SDK_DL_URL=https://github.com/operator-framework/operator-sdk/releases/download/v1.13.1
+curl -LO ${OPERATOR_SDK_DL_URL}/operator-sdk_${OS}_${ARCH}
+gpg --keyserver keyserver.ubuntu.com --recv-keys 052996E2A20B5C7E
+curl -LO ${OPERATOR_SDK_DL_URL}/checksums.txt
+curl -LO ${OPERATOR_SDK_DL_URL}/checksums.txt.asc
+gpg -u "Operator SDK (release) <cncf-operator-sdk@cncf.io>" --verify checksums.txt.asc
+grep operator-sdk_${OS}_${ARCH} checksums.txt | sha256sum -c -
+chmod +x operator-sdk_${OS}_${ARCH} && sudo mv operator-sdk_${OS}_${ARCH} /usr/local/bin/operator-sdk
+```
+
+### Install Operator OLM
+```shell
+operator-sdk olm install
+```
+
+### Check Operator Status
+```shell
+operator-sdk olm status
+```
+
+### Fix OLM Installation by manually
+```shell
+kubectl apply -f https://github.com/operator-framework/operator-lifecycle-manager/releases/download/0.15.1/crds.yaml
+kubectl apply -f https://github.com/operator-framework/operator-lifecycle-manager/releases/download/0.15.1/olm.yaml
+```
+
+### Reference
+- https://olm.operatorframework.io/docs/getting-started