Adds dataset cards to Methodology page (#442)

* intial cards for methodology page

* PR and QA feedback
- adds alert above dataset section
- adds intl
- removes nbsp
- creates directory structure for new components

* revert noUsedLocals flag

* fixed path error

* re-creates scss file to test build failure

* renaming file to troubleshoot build error

* links open in new tabs and removes console.log

* removes units on all scss value that equal 0

* resolving merge conflicts from header merge

* updates snapshots from conflict resolution

client/src/components/DatasetContainer/dsContainer.module.scss.d.ts

@@ -0,0 +1,16 @@
+declare namespace DatasetContainerScssNamespace {
+    export interface IDatasetContainerScss {
+      datasetContainer:string;
+      datasetCardsContainer: string;
+      datasetContainerHeader: string;
+      datasetContainerSubTitle: string;
+      j40AlertContainer: string;
+    }
+  }
+
+declare const DatasetContainerScssModule: DatasetContainerScssNamespace.IDatasetContainerScss & {
+    /** WARNING: Only available when `css-loader` is used without `style-loader` or `mini-css-extract-plugin` */
+    locals: DatasetContainerScssNamespace.IDatasetContainerScss;
+  };
+
+  export = DatasetContainerScssModule;