Add files using upload-large-folder tool

.gitattributes

@@ -2066,3 +2066,6 @@ pptx/cc-by-4.0/2020/358406ec0ce5243731b8c1451ffa7f53-lightning-pids-02.pptx filt
 pptx/cc-by-4.0/2020/7f7d68d6ffb33fe72b6c6ebc5187e4e3-Ch18[[:space:]]Transitions[[:space:]]after[[:space:]]secondary[[:space:]]design[[:space:]]and[[:space:]]technology.pptx filter=lfs diff=lfs merge=lfs -text
 pptx/cc-by-4.0/2020/2583a706d057aa2d18e6367a5006c220-CHEP2019_599.pptx filter=lfs diff=lfs merge=lfs -text
 pptx/cc-by-4.0/2020/8d653bc1b3df5417874f2f6d6eb4de3c-CHEP2019_190.pptx filter=lfs diff=lfs merge=lfs -text
+pptx/cc-by-4.0/2020/52d4cfd6f2c3d91c66d6b71b0e2dc164-Haustein_BSPFwebinar-MetricsLiteracies.pptx filter=lfs diff=lfs merge=lfs -text
+pptx/cc-by-4.0/2020/4f36ab7914646997e00077ccd3fc0276-keynote[[:space:]]SandraCollins_IDCC_February[[:space:]]2020_Final.pptx filter=lfs diff=lfs merge=lfs -text
+pptx/cc-by-4.0/2020/6429aa7f035ec9ed4555e3147518e431-Figure[[:space:]]3.pptx filter=lfs diff=lfs merge=lfs -text

pptx/cc-by-4.0/2020/4f36ab7914646997e00077ccd3fc0276-keynote SandraCollins_IDCC_February 2020_Final.pptx

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5e6455f34ccd7e7363c064b752c903e75d8ed87727d659abf568a314c4aa4df1
+size 60975224

pptx/cc-by-4.0/2020/52d4cfd6f2c3d91c66d6b71b0e2dc164-Haustein_BSPFwebinar-MetricsLiteracies.pptx

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:02f09edaffe72fae5cf6f4118422df3cc14c2852638a0ccab768321c3e9b2653
+size 38601527

pptx/cc-by-4.0/2020/6429aa7f035ec9ed4555e3147518e431-Figure 3.pptx

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b48be8ae7feb2ca12e41d9ec293f872521a2b2fd0a48af49c1f85bca2bd19d2c
+size 2489800