feat: Migrate loading cache to new service + removed stub service

Resolves #31 (closed)

This MR:

• Integrates the new loading cache manager feature
• Removes stubbed service provider
• Eliminates a bit of code smell
• Updates the openapi spec

spec/openapi.yaml

 openapi: "3.1.0"
+
 info:
   version: 1.0.0
   title: CVE API
@@ -6,24 +7,33 @@ info:
   license:
     name: Eclipse Public License - 2.0
     url: https://www.eclipse.org/legal/epl-2.0/
+  contact:
+    url: https://gitlab.eclipse.org/eclipsefdn/it/api/eclipsefdn-cve-api/-/issues
+
 servers:
   - url: https://api.eclipse.org/cve
     description: Production endpoint for the membership portal data
+
+tags:
+  - name: CVE
+    description: Eclipse CVE data
+
 paths:
-  "":
+  /:
     get:
       tags:
-        - CVEs
+        - CVE
       summary: CVE List
-      description: Returns a 200 when called. Pop goes the weasel!
+      description: Fetches all public CVE data.
+      operationId: CveList
       responses:
-        200:
+        "200":
           description: Success
           content:
             application/json:
               schema:
                 $ref: "#/components/schemas/cves"
-        500:
+        "500":
           description: Error while retrieving data
   /{id}:
     parameters:
@@ -34,53 +44,68 @@ paths:
         schema:
           type: string
     get:
+      tags:
+        - CVE
       summary: CVE
       description: Returns a CVE entry that has a matching id
+      operationId: Cve
       responses:
-        200:
+        "200":
           description: Success
           content:
             application/json:
               schema:
                 $ref: "#/components/schemas/cve"
-        404:
+        "404":
           description: Not Found
           content:
             application/json:
               schema:
                 $ref: "#/components/schemas/Error"
-
-        500:
+        "500":
           description: Error while retrieving data
+
 components:
   schemas:
     cves:
       type: array
       items:
         $ref: "#/components/schemas/cve"
+      example:
+        - id: CVE-2020-12345
+          date_published: 2020-03-17
+          project: eclipse.platform
+          request_link: https://bugs.eclipse.org/bugs/show_bug.cgi?id=12345
+          cve_pull_request: https://github.com/CVEProject/cvelist/pull/1111
+          status: PUBLIC
+          summary: This is the summary of the horrific security flaw that we fixed
+          cvss: 9.9
+        - id: CVE-2022-54321
+          date_published: 2022-06-01
+          project: technology.dash
+          request_link: https://bugs.eclipse.org/bugs/show_bug.cgi?id=54321
+          cve_pull_request: ""
+          status: PUBLIC
+          summary: This is the summary of the minor vulnerablity
+          cvss: 2.0
+
     cve:
       type: object
       properties:
         id:
-          oneOf:
-            - type: string
-            - type: "null"
+          type: string
           description: CVE id containing year
         date_published:
           type: string
           description: The date of the report
         project:
-          oneOf:
-            - type: string
-            - type: "null"
+          type: string
           description: The project where the vulerability exists
         request_link:
           type: string
           description: Link to the request where the vulnerability was tracked
         cve_pull_request:
-          oneOf:
-            - type: string
-            - type: "null"
+          type: string
           description: Link to pull request that includes the vulnerability
         live_link:
           type: string
@@ -98,6 +123,15 @@ components:
             - type: number
             - type: "null"
           description: The CVSS score pulled from the CVE details source
+      example:
+        id: CVE-2020-12345
+        date_published: 2020-03-17
+        project: eclipse.platform
+        request_link: https://bugs.eclipse.org/bugs/show_bug.cgi?id=12345
+        cve_pull_request: https://github.com/CVEProject/cvelist/pull/1111
+        status: PUBLIC
+        summary: This is the summary of the horrific security flaw that we fixed
+        cvss: 9.9
 
     Error:
       type: object
@@ -113,4 +147,7 @@ components:
             - string
             - "null"
           description: The URL
-
+      example:
+        status_code: 404
+        message: "Unable to find public CVE with id: 999"
+        url: null