Use localforage v1.5 & drop @types

Merge pull request #19 from thgreasi/lf1.5

chore: use localforage v1.5 & drop @types

src1.4.5: chore(release): v1.4.5

feat: avoid error logs when cordova is not used
As per #16.
A GREAT Thanks to @zarko-tg for his collaboration on this issue.

src1.4.0: chore(release): v1.4.0

chore: use es6 & rollup

src1.3.0: chore(release): v1.3.0

feat: use localforage.webSqlDriver methods to reduce the size of the implementation

src1.2.1: chore(release): v1.2.1

chore: increase version number to v1.2.1 for proper release tagging

src1.2.0: chore(release): v1.2.0

feat: add support for Cordova-sqlite-storage v1.2.x & v0.8.x

src1.1.0: chore(release): v1.1.0

feat: add support for localforage v1.3.x

src1.0.0: chore(release): v1.0.0

chore: fix min localforage version requirement