fixed header level in news

docs/News.md

@@ -1,4 +1,4 @@
-# July 21, 2020
+## July 21, 2020
 *   **New Feature**: The *Mutations* tab now has the option to show mutation effects for different transcripts / isoforms. Note that some annotation features are only available for the canonical isoform. [example](https://www.cbioportal.org/results/mutations?Action=Submit&RPPA_SCORE_THRESHOLD=2.0&Z_SCORE_THRESHOLD=2.0&cancer_study_list=msk_impact_2017&case_set_id=msk_impact_2017_cnaseq&data_priority=0&gene_list=FGFR2&geneset_list=%20&genetic_profile_ids_PROFILE_COPY_NUMBER_ALTERATION=msk_impact_2017_cna&genetic_profile_ids_PROFILE_MUTATION_EXTENDED=msk_impact_2017_mutations&mutations_transcript_id=ENST00000358487&profileFilter=0&tab_index=tab_visualize)
 ![image](https://user-images.githubusercontent.com/840895/88306535-d95d6400-ccd8-11ea-9e64-0c6600f65e50.png)