Refactor the project

Refactor based on the open PR

• Create SolrQuery for building query
• Restructure the project
• Remove async method as pysolr is not async
• Change gene search to use GET
• Add unit tests

core/config.py

@@ -14,9 +14,8 @@
 
 import os
 
-
-PAGE = os.getenv("PAGE", 1)
-PER_PAGE = os.getenv("PAGE", 100)
 SOLR_SERVER = os.getenv("SOLR_SERVER", "ensembl-solr-svc:8983")
 ZOOKEEPER_HOSTS = os.getenv("ZOOKEEPER_HOSTS", "ensembl-solr-cloud-svc:8983")
-SOLR_COLLECTION = os.getenv("SOLR_COLLECTION", "genome_search_v1")
+#ZOOKEEPER_HOSTS = "wp-p1m2-8a:2181,wp-p1m2-8b:2181,wp-p1m2-8c:2181"
+SOLR_GENE_COLLECTION = os.getenv("SOLR_GENE_COLLECTION", "gene_search_v1")
+SOLR_HELP_COLLECTION = os.getenv("SOLR_HELP_COLLECTION", "help_search_v1")